1 /*
2 * Copyright (c) 2022-2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "auth_fuzzer.h"
17
18 #include <string>
19 #include <vector>
20 #include "account_iam_client.h"
21 #include "fuzz_data.h"
22 #include "os_account_constants.h"
23
24 using namespace std;
25 using namespace OHOS::AccountSA;
26
27 class MockIDMCallback : public OHOS::AccountSA::IDMCallback {
28 public:
~MockIDMCallback()29 virtual ~MockIDMCallback() {}
OnAcquireInfo(int32_t module,uint32_t acquireInfo,const Attributes & extraInfo)30 void OnAcquireInfo(int32_t module, uint32_t acquireInfo, const Attributes &extraInfo) override
31 {
32 return;
33 }
OnResult(int32_t result,const Attributes & extraInfo)34 void OnResult(int32_t result, const Attributes &extraInfo) override
35 {
36 return;
37 }
38 };
39
40 namespace OHOS {
GenRemoteAuthOptions(FuzzData & fuzzData,RemoteAuthOptions & remoteAuthOptions)41 void GenRemoteAuthOptions(FuzzData &fuzzData, RemoteAuthOptions &remoteAuthOptions)
42 {
43 remoteAuthOptions.hasVerifierNetworkId = fuzzData.GetData<bool>();
44 if (remoteAuthOptions.hasVerifierNetworkId) {
45 remoteAuthOptions.verifierNetworkId = fuzzData.GenerateString();
46 }
47 remoteAuthOptions.hasCollectorNetworkId = fuzzData.GetData<bool>();
48 if (remoteAuthOptions.hasCollectorNetworkId) {
49 remoteAuthOptions.collectorNetworkId = fuzzData.GenerateString();
50 }
51 remoteAuthOptions.hasCollectorTokenId = fuzzData.GetData<bool>();
52 if (remoteAuthOptions.hasCollectorTokenId) {
53 remoteAuthOptions.collectorTokenId = fuzzData.GetData<uint32_t>();
54 }
55 }
56
AuthFuzzTest(const uint8_t * data,size_t size)57 bool AuthFuzzTest(const uint8_t *data, size_t size)
58 {
59 FuzzData fuzzData(data, size);
60 std::vector<uint8_t> challenge = {fuzzData.GetData<uint8_t>()};
61 AuthType authType = fuzzData.GenerateEnmu(UserIam::UserAuth::RECOVERY_KEY);
62 AuthTrustLevel authTrustLevel = fuzzData.GenerateEnmu(UserIam::UserAuth::ATL4);
63 std::shared_ptr<IDMCallback> callback = make_shared<MockIDMCallback>();
64 AuthOptions authOptions;
65 authOptions.hasAccountId = fuzzData.GetData<bool>();
66 if (authOptions.hasAccountId) {
67 authOptions.accountId = fuzzData.GetData<bool>() ? fuzzData.GetData<int32_t>() % Constants::MAX_USER_ID
68 : fuzzData.GetData<int32_t>();
69 }
70 authOptions.hasRemoteAuthOptions = fuzzData.GetData<bool>();
71 if (authOptions.hasRemoteAuthOptions) {
72 GenRemoteAuthOptions(fuzzData, authOptions.remoteAuthOptions);
73 }
74 authOptions.authIntent = fuzzData.GenerateEnmu(AuthIntent::ABANDONED_PIN_AUTH);
75 uint64_t result = AccountIAMClient::GetInstance().Auth(
76 authOptions, challenge, authType, authTrustLevel, callback);
77 return result == ERR_OK;
78 }
79 }
80
81 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 /* Run your code on data */
85 OHOS::AuthFuzzTest(data, size);
86 return 0;
87 }
88
89